package com.sky.controller.admin;

import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    //新增菜品
    @PostMapping
    @ApiOperation("新增菜品")
  public Result<String> save(@RequestBody DishDTO dishDTO){
    log.info("新增菜品:{}",dishDTO);
    dishService.savaWithFlavor(dishDTO);
    //清理缓存数据,特定的数据集
       String key = "dish_*"+dishDTO.getCategoryId();
       cleanCache(key);
    return Result.success("新增菜品成功");
  }

  //菜品分页查询
  @GetMapping("/page")
  @ApiOperation("菜品分页查询")
  public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
    log.info("菜品分页查询{}",dishPageQueryDTO);
   PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
      return Result.success(pageResult);

  }

  //菜品批量删除
  @DeleteMapping
  @ApiOperation("删除菜品")
  public Result delete(@RequestParam List<Long> ids){
    log.info("删除菜品{}",ids);
    dishService.deleteById(ids);
      cleanCache("dish_*");
        return Result.success();
  }

  @PostMapping("/status/{status}")
  @ApiOperation("菜品起售停售")
  public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("菜品起售停售:{}",status);
        dishService.startOrStop(status,id);
      cleanCache("dish_*");
        return Result.success();

  }

  //根据id查询菜品
  @GetMapping("/{id}")
  @ApiOperation("根据id查询菜品")
  public Result<DishVO> getById(@PathVariable Long id){
  log.info("根据id查询菜品");
  DishVO dishVO = dishService.getByIdWithFlavor(id);
  return Result.success(dishVO);
  }


    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        cleanCache("dish_*");
        return Result.success();
    }

   //清理缓存数据
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId) {
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品

        List<DishVO> list = dishService.listWithFlavors(dish);

        return Result.success(list);
    }

}
